mandela is said to be doing well. he spent a night in the hospital back in january for respiratory infection and again in february for minor surgery. >>> venezuelan president hugo chavez announced his cancer has returned and that he would undergo another operation in cuba. tests show he has some malignant cells in the same area where tumors were previously removed. chavez also said for the first time that if his health were to worsen, his successor would be vice president nikola maduro. >>> egypt's liberal opposition has called for more protests today, after the president made concessions that fell short of their demand. egyptian president mohammed morsi agreed to rescind the sweeping powers he ordered last month, but opponents want him to go even further, rescinding a draft constitution that is going to referendum on december 15. >>> in syria, rebel commanders are hoping to improve the unity in bringing down president assad's regime by creating a joint leadership. the new group consists of a 30-member elected council